57 is an odd composite number composed of two prime numbers multiplied together.

What does the number 57 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

57 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 57:

3 × 19

See below for interesting mathematical facts about the number 57 from the Numbermatics database.

Names of 57

  • Cardinal: 57 can be written as Fifty-seven.

Scientific notation

  • Scientific notation: 5.7 × 101

Factors of 57

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 22

Divisors of 57

  • Number of divisors d(n): 4
  • Complete list of divisors:
    1 3 19 57
  • Sum of all divisors σ(n): 80
  • Sum of proper divisors (its aliquot sum) s(n): 23
  • 57 is a deficient number, because the sum of its proper divisors (23) is less than itself. Its deficiency is 34

Bases of 57

  • Binary: 1110012
  • Hexadecimal: 0x39
  • Base-36: 1L

Squares and roots of 57

  • 57 squared (572) is 3249
  • 57 cubed (573) is 185193
  • The square root of 57 is 7.5498344353
  • The cube root of 57 is 3.8485011313

Scales and comparisons

How big is 57?
  • A cube with a volume of 57 cubic inches would be around 0.3 feet tall.

Recreational maths with 57

  • 57 backwards is 75
  • The number of decimal digits it has is: 2
  • The sum of 57's digits is 12
  • More coming soon!

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The information we have on file for 57 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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